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In the xy-plane, S is the set of all points (c, d) for which c and d are both integers.
Quantity A
The number of points in S that are a distance of 2 units from the point (7, 5)
Quantity B
4
C显示答案
· 相关考点
3.7.8 圆的解析方程
3.7.8 圆的解析方程
以上解析由 考满分老师提供。
